ARM: 8619/1: udelay: document the various constants
authorNicolas Pitre <nicolas.pitre@linaro.org>
Fri, 7 Oct 2016 04:38:35 +0000 (05:38 +0100)
committerRussell King <rmk+kernel@armlinux.org.uk>
Wed, 19 Oct 2016 09:52:36 +0000 (10:52 +0100)
commit207b1150c00d0471c11669cd3f249d81909b3ac8
tree15b52a6047ac5b4c86f5bd079841f777f3377ffd
parent1001354ca34179f3db924eb66672442a173147dc
ARM: 8619/1: udelay: document the various constants

Explain where the value for UDELAY_MULT and UDELAY_SHIFT come from.
Also fix/clarify some comments pertaining to their usage in the
assembly code.

Signed-off-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/include/asm/delay.h
arch/arm/lib/delay-loop.S